"The World and Japan" Database (Project Leader: TANAKA Akihiko)
Database of Japanese Politics and International Relations
National Graduate Institute for Policy Studies (GRIPS); Institute for Advanced Studies on Asia (IASA), The University of Tokyo

[Title] PROTOCOL AMENDING THE AGREEMENT FOR COOPERATION BETWEEN THE GOVERNMENT OF JAPAN AND THE GOVERNMENT OF THE UNITED STATES OF AMERICA CONCERNING CIVIL USES OF ATOMIC ENERGY

[Place]
[Date] October 9, 1958
[Source] Ministry of Foreign Affairs of Japan
[Notes]
[Full text]

PROTOCOL AMENDING THE AGREEMENT FOR COOPERATION BETWEEN THE GOVERNMENT OF JAPAN AND THE GOVERNMENT OF THE UNITED STATES OF AMERICA CONCERNING CIVIL USES OF ATOMIC ENERGY


The Government of Japan and the Government of the United States of America;

Desiring to amend the Agreement for Cooperation between the Government of Japan and the Government of the United States of America Concerning Civil Uses of Atomic Energy, signed at Washington on June 16, 1958, hereinafter referred to as the "Agreement for Cooperation";

Have agreed as follows:

Article I

Article V, paragraph A. of the Agreement for Cooperation is amended by deleting the phrase "10 grams of plutonium, and 10 grams of U-233" and substituting in lieu thereof the phrase "10 grams of U-233, 250 grams of plutonium in the form of fabricated foils and sources, and 10 grams of plutonium in other forms".

Article II

Article VII, paragraph C, of the Agreement for Cooperation is amended to read as follows:

"C. The United States Commission may, upon request and in its discretion, make a portion of the foregoing special nuclear material available as material enriched up to ninety per cent (90%) for use in research and materials testing reactors, each capable of operating with a fuel load not to exceed eight (8) kilograms of contained U-235 in uranium".

Article III

Article VII, paragraph F, of the Agreement for Cooperation is amended by inserting the phrase "for use for peaceful purposes only" immediately after the phrase "a first option to purchase".

Article IV

This Protocol shall enter into force on the day on which each Government shall receive from the other Government written notification that it has complied with all statutory and constitutional requirements for the entry into force of such Protocol and shall remain in force for the period of the Agreement for Cooperation.

IN WITNESS WHEREOF, the undersigned, duly authorized, have signed this Protocol.

DONE at Washington, in duplicate, in the Japanese and English languages, both texts being equally authentic, this ninth day of October, 1958.

FOR THE GOVERNMENT OF JAPAN:
Koichiro Asakai

FOR THE GOVERNMENT OF THE UNITED STATES OF AMERICA:
Waiter S. Robertson
John A. McCone